File Tools

Generate reviewed .env and .env.example files with key cleanup and secret-aware placeholders while flagging quote or duplicate risks locally.

Build a repository-ready .gitignore from your stack and team setup, with secret-file exceptions and warnings for broad or duplicate rules.

Check whether .gitignore rules cover generated and sensitive paths, then find tracked files plus blocked negations and gaps before commit.

Compress an animated GIF locally by scaling dimensions, reducing colors, or dropping frames while verifying duration and loop behavior.

Inspect a local ZIP, TAR or GZIP archive and download selected safe files as a normalized ZIP package with blocked paths clearly excluded.

Compress one local audio file to MP3 with chosen bitrate and channel handling, then verify playback settings and actual size savings.

Estimate audio file and session storage from PCM settings or encoded bitrate with multitrack counts, media-fit checks and a planning buffer.

Convert local audio for playback or lossless storage with preservation-first profiles and verified codec, sample rate and channel output.

Normalize a local mono or stereo audio file toward a LUFS target, with gated loudness measurement and a sample-peak-safe WAV result.

Join two to eight local audio clips in order, add optional silence, preview every seam, and download one verified 16-bit PCM WAV.

Edit common MP3 tags and front-cover artwork in your browser, then download an ID3v2.3 copy with the encoded audio left unchanged.

Change audio speed from 0.50× to 2.00× in your browser with pitch-preserved or tape-style retiming, then preview the result and save a WAV.

Trim a local audio file to an exact interval with optional edge fades and a preview, then download a verified PCM WAV without uploading.

Combine local audio with a still image or solid color to create a verified MP4 in landscape, square or portrait format without uploading media.

Compare two CSV or TSV exports by selected keys and review schema and record changes, including duplicate keys and rejected rows, without uploading data.

Draft a BIND or provider-ready DNS zone file with normalized records, SOA and TTL checks, plus mail and DNSSEC review warnings.

Validate a DNS zone file before import, uncover authority and TTL conflicts, and inspect expanded records without uploading the source.

Compress a DOCX locally by resizing eligible JPEG and PNG media, preserving unselected package parts, and verifying the rebuilt Word file.

Convert one DOCX locally into portable web or document formats, with structure checks and controls for embedded images and review notes.

Turn reviewed HTML, Markdown, or plain text into an editable DOCX that preserves safe structure and clearly warns about unsupported content.

Convert data transfer rates across bit and byte units in SI or IEC notation, with overhead modeling, payload timing and delivery-window capacity.

Inspect EXIF metadata locally, flag location and device details, then export a stripped or selectively edited image with an auditable privacy score.

Encrypt a local file into an authenticated .stenc envelope or recover it in your browser with AES-GCM, PBKDF2 or Argon2id, and no upload.

Hash one local file in your browser and compare its full digest with SHA-2 or SHA-3 plus required RIPEMD-160 and legacy references.

Estimate file transfer time from size and sustained bandwidth while accounting for TCP limits, overhead, compression and a required finish window.

Convert file and disk sizes between decimal and IEC units, then estimate usable capacity and allocation slack for storage planning.

Turn images and text sources into local PDF output while preflighting Office files for renderer needs, layout risks and fidelity limits.

Convert an authorized TTF or OTF font to WOFF2 locally with checks for file size plus glyph, metric, table and variable-axis preservation.

Remove simple image backgrounds in your browser, tune color and edge masking, and review transparency before downloading a PNG cutout.

Compare two equal-size images locally using channel tolerance and transparency rules, then inspect a highlighted diff with exact pixel-change metrics.

Compress one image locally in your browser, compare size and visual quality, then download a resized or reformatted copy with metadata controls.

Crop one image locally with exact aspect and pixel controls, then review upscaling and transparency along with quality or file-budget risks.

Convert one image locally with format, resize, crop, quality, and transparency controls while checking the actual output and byte size.

Split one local image into an ordered ZIP of whole-pixel tiles with gutter and remainder controls plus PNG, JPEG or WebP output.

Merge two to twelve local images into one ordered composition, with contain-or-crop fitting plus controllable spacing and background.

Strip hidden metadata from an image in your browser and create a clean JPEG, PNG, or WebP copy with a check for remaining privacy markers.

Obscure selected areas of a local image with pixelation, blur, or opaque covers, then flatten and review the result before sharing.

Resize one image locally, compare fit or crop geometry, and tune format quality against a file-size target before downloading.

Add text or logo watermarks to up to ten images in your browser, preview every result, and keep the source files private and unchanged.

Turn an image into Base64 or a Data URI in your browser, preserve the original bytes or optimize the image, and judge whether inline use fits.

Turn raster artwork into editable SVG paths in your browser with monochrome or limited-color tracing, local processing, and geometry checks.

Build an animated GIF from ordered images in your browser with per-frame timing, canvas fit and palette control plus verified size checks.

Turn ordered images into an editable PowerPoint slideshow with chosen slide proportions, image placement and captions plus crop review.

Extract text from native or scanned PDFs in your browser, with per-page OCR fallback, confidence clues, range guards, and local file handling.

Compress one local file into a compatible archive or stream and review size change with split delivery plus SHA-256 integrity before downloading.

Compress a PDF locally in your browser, compare structural and production estimates, and catch encryption or image-quality risks before download.

Compare two text-bearing PDFs locally with content-aware page alignment and review page-level changes, movement, and text-extraction gaps.

Merge PDF files locally in your browser, arrange their page order, enforce file and size guards, and download one combined document.

Edit PDF Document Info fields locally for cataloguing or privacy cleanup and verify page content plus XMP preservation before downloading.

Crop selected PDF pages by exact margins in your browser, preserve hidden page content, and verify every rewritten CropBox before download.

Delete selected PDF pages in your browser, verify source-to-output renumbering, and catch range or document-integrity warnings before download.

Extract selected PDF pages in your browser, keep a custom order or remove repeats, and verify every output page against its source.

Reorder or extract PDF pages and rotate or split them locally in your browser with typed ranges, page-flow checks, and a source-to-output manifest.

Add page numbers and watermarks to selected PDF pages in your browser, then verify sequence and placement plus coverage before download.

Add page numbers to selected PDF pages locally with custom sequences and mirrored facing-page placement, then download the stamped copy.

Reorder PDF pages locally with ranges and presets, then verify duplicate or omitted pages through an exact output-to-source manifest.

Plan open and owner passwords for a PDF, check effective search space, and produce a redacted handoff without uploading or encrypting the file.

Protect a PDF locally with AES encryption, separate open and owner passwords, permission choices, and password checks before download.

Plan PDF redactions locally, inspect selectable text and hidden-data risks, and prepare a handoff for true removal and final-file verification.

Inspect and repair a damaged PDF in your browser, compare structural warnings, and create a normalized copy when its page tree can be read.

Rotate selected PDF pages locally, combine new turns with saved angles, and download a corrected copy without uploading the document.

Add a typed, drawn or image signature mark to one PDF in your browser, verify placement and download a visual-only signed copy.

Split one PDF locally into custom ranges, single-page files or fixed-size packets, then verify overlaps before downloading a ZIP.

Unlock an authorized PDF locally with a known password, verify the rewritten copy, and keep document bytes and credentials in your browser.

Add a text watermark to selected PDF pages in your browser, control single or tiled placement and visual weight, then download the marked copy.

Convert a PDF locally into editable text or page-faithful images with page-range checks, document handoffs and no source-file upload.

Split a PEM bundle into complete certificates, requests, and keys while preserving line spans and adding SHA-256 evidence through local file handling.

Compress a PPTX locally by shrinking eligible JPEG and PNG images, then verify package integrity and keep unrelated presentation parts unchanged.

Reduce SVG file size through conservative cleanup and reference checks with precision controls plus a local preview before downloading revised markup.

Edit SVG path commands and transforms in your browser, sanitize unsafe markup, and review command structure before copying or downloading.

Convert PEM/DER/P7B/PFX certificates in your browser and inspect chain expiry plus private-key requirements before downloading.

Convert TB/TiB/GB/GiB through exact byte totals and compare decimal vendor labels with binary system readouts without mistaking the gap for loss.

Re-encode a local text file as UTF-8, UTF-16, or Windows-1252 with BOM and line-ending controls plus recorded replacement details.

Extract one audio track from a local video as compatible MP3, editable WAV, or copied original packets with post-conversion verification.

Compress a local video into a smaller MP4 while balancing picture and audio bitrate, then verify playback and measured savings before download.

Crop a video to a fixed rectangle or delivery aspect ratio in your browser, verify the playable MP4, and review how much frame area remains.

Convert a local video to MP4 or WebM while preserving compatible streams and verifying its codecs, dimensions and playback before download.

Join local video clips into MP4 or WebM, normalize frame and sound handling, verify every join, and keep source files in your browser.

Inspect one local video for container and stream evidence, with bounded file reads plus clear warnings for sampled or missing metadata.

Resize a local video to exact even dimensions with whole-frame fit or centered crop, optional upscaling and audio control in a verified MP4.

Change a local video's speed from 0.25× to 4× in your browser, preview the duration, and choose tape-style retimed audio or a muted MP4.

Trim a local video to a reviewed interval, preview the playable clip, and keep the source file in your browser instead of uploading it.

Add a text or logo watermark to every video frame in your browser, preview its placement, and download a re-encoded MP4 with audio when supported.

Turn a short video clip into an animated GIF in your browser with adjustable timing, dimensions and frame rate plus color and looping controls.

Convert a legacy XLS workbook to XLSX in your browser with structural verification and clear warnings about formulas, macros and visual fidelity.

Compress XLSX pictures in your browser, verify preserved workbook parts, and review exact byte savings before downloading the rebuilt file.

Convert one Excel worksheet to CSV in your browser, choose formula and hidden-data handling, and review warnings before download.