File Conversion & Media

Z

ZTABS JSON Formatter & Validator

Free browser-based JSON formatter from ZTABS. Pretty-print, minify and validate JSON; syntax errors include an approximate line number. No account required, and processing runs in the browser.

K

Kolekino Collector Guide

Submitted by the Kolekino team: a free, no-sign-in guide to cataloging DVD, Blu-ray and 4K collections. Explains titles vs editions vs copies, checking barcodes against packaging, organizing shelves, reviewing sample imports and keeping backups. The guide contains advertising. Using Kolekino's catalog requires an account; new Free accounts allow 75 titles with ads.

A

AllSubConverter

A free browser-based subtitle toolkit for converting, editing, cleaning, syncing, checking and exporting subtitle files. It supports SRT, VTT, ASS, SSA, LRC and more, with batch workflows and quality checks.

T

TinyWow

Free

200+ PDF, image, video and writing tools completely free

F

Fontello

Free

Build custom icon webfonts from popular icon sets or your own SVG glyphs

C

ConvertCSV

Free

Convert tabular data like CSV↔JSON/XML/SQL/YAML (client-side)

C

Compressor.io

Free

Powerful lossy/lossless compression for JPG, PNG, SVG and GIF

D

DocuSeal

Freemium

Create, fill, and sign digital documents with an open-source e-signature platform

S

Sejda

Freemium

30-odd practical PDF edit, sign and OCR tools (desktop version free)

P

PDF24 Tools

Free

German-made, 23+ PDF tools free with no limits

8

8mb.video

Free

Compress any video to fit exactly under 8MB or a custom target size

M

Metadata2Go

Free

Check EXIF and metadata of photos, documents and video without signup

Z

Zamzar

Freemium

Veteran converter with 1100+ conversion combos and email delivery option

C

Convertio

Freemium

Convert documents, images, audio and video across 300+ formats

P

Photopea

Free

Browser Photoshop alternative that even opens PSD (no install, no signup)

U

UnitJuggler

Free

Unit conversion for length, mass, energy, data and even currency

C

CyberChef

Free

Recipes for hundreds of operations like Base64/hex/compression/hash (browser processing)

S

Stirling PDF

Free

60+ PDF operations and OCR, open source and self-hostable

A

Aspose Apps

Free

Free apps to convert, merge and view documents like Word, Excel, PPT and PDF

I

Image Color Picker

Free

Upload an image and extract the HEX and palette at a specific point

1

123apps

Free

Bundle of lightweight web apps for handling audio, video and PDF

V

Vocal Remover

Free

Separate vocals and accompaniment from songs, with BPM/key detection and pitch shift

S

Smallpdf

Freemium

PDF convert, edit and sign suite with an intuitive UI

I

i2OCR

Free

Free OCR for 128 languages and writing systems

C

Clideo

Freemium

Online video convert, compress, merge, subtitle and translate

O

Online Audio Converter

Freemium

Convert, extract and edit 300+ audio formats (123apps)

V

VERT.sh

Free

Open source; images, audio and documents processed on-device, ad-free

F

FreeConvert

Freemium

1500+ conversions with advanced options and cloud integration (up to 1GB)

T

Transfer.zip

Freemium

Send files of any size with end-to-end encrypted quick transfers

P

PDF2Go

Freemium

Edit, convert and protect PDFs in the browser

P

PDF Candy

Freemium

47 PDF tools and OCR all in one place

I

iLoveIMG

Freemium

Collection of image compress, resize, convert and watermark tools

O

OKLCH

Free

HEX/RGB↔OKLCH conversion and 3D color space visualization (Evil Martians)

O

OCR.space

Free

Image/PDF→text, free API with no signup and 200+ languages

E

ezgif

Free

Veteran toolset for making GIFs, video↔GIF, WebP/AVIF conversion and cropping

B

Bulk Resize Photos

Free

Batch resize and compress multiple photos (no upload, no signup)

S

SVGOMG

Free

Visually optimize SVGs with the SVGO web GUI (local)

S

Squoosh

Free

Google Chrome Labs image compression with comparison slider (local processing)

C

CloudConvert

Freemium

Powerful all-purpose converter with 212 formats, 11 categories + API

E

ezyZip

Freemium

Zip and unzip 150+ archive formats locally in your browser with no uploads

D

DeftPDF

Freemium

Add bookmarks, Bates numbers, and fill or sign PDFs online for free

A

AudioMass

Free

Free open-source browser audio editor with no install

M

Media.io

Freemium

Online suite for audio and video convert, compress and AI enhancement

I

iLovePDF

Freemium

Collection of popular PDF tools like merge, split, compress and sign

T

TinyPNG

Free

Smart compression of PNG, JPG and WebP with minimal quality loss

S

Subtitle Edit Online

Free

Edit, sync, and translate subtitle files in a browser port of Subtitle Edit

W

Wakamai Fondue

Free

Drop a font file to inspect its OpenType features, glyphs, and variable axes

C

Calligraphr

Freemium

Turn your handwriting or calligraphy into a personal font from a printable template

Z

ZIP Extractor

Free

Open ZIP files from Google Drive, Gmail, or your computer entirely in the browser

U

Unzip-Online

Free

Unzip ZIP and RAR files up to 200MB online without installing anything